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TPS65217C/D and AM335x RTC-only operation

Alexey Nikolaev
Prodigy 170 points

Other Parts Discussed in Thread: AM3358, TPS65217

There is a note for TPS65217C/D in "SLVU551H Powering the AM335x with the TPS65217x" saying "This version does not support AM335x RTC-only operation." Does it mean that there is no way to put AM335x into RTC-only operation using TPS65217C/D?

  • 0
    TI__Mastermind 27960 points

    Appending to Alexey's questions:

    If the TPS65217C/D does not support AM335x RTC-only operation, what are the recommended workarounds?

    More importantly, why does the TPS65217C/D not support AM335x RTC-only operation? Are efforts being made to release future revisions that will support RTC-only operation?

     

  • 0
    Prodigy 10 points

    It is way to put the AM335x into RTC-only state but it is another problem with the TPS65217C. When I put the AM3358 into sleep the LDO4 in the TPS65217 remains ON but not 3.3V as default but 2.5V. Can someone explain this?